fix(fs): replace fs imports with locally defined WriteStream interface

src/api/viya/saveLog.ts

@@ -1,7 +1,7 @@
 import { Job } from '../..'
 import { RequestClient } from '../../request/RequestClient'
 import { fetchLog } from '../../utils'
-import { WriteStream } from 'fs'
+import { WriteStream } from '../../types'
 import { writeStream } from './writeStream'
 
 /**

src/api/viya/writeStream.ts

@@ -1,11 +1,11 @@
-import { WriteStream } from 'fs'
+import { WriteStream } from '../../types'
 
 export const writeStream = async (
   stream: WriteStream,
   content: string
 ): Promise<void> => {
   return new Promise((resolve, reject) => {
-    stream.write(content + '\n\nnext chunk\n\n', (e) => {
+    stream.write(content + '\n', (e) => {
       if (e) {
         return reject(e)
       }

src/types/WriteStream.ts

@@ -0,0 +1,4 @@
+export interface WriteStream {
+  write: (content: string, callback: (err?: Error) => any) => void
+  path: string
+}

src/types/index.ts

@@ -11,3 +11,4 @@ export * from './SASjsRequest'
 export * from './Session'
 export * from './UploadFile'
 export * from './PollOptions'
+export * from './WriteStream'

src/utils/index.ts

@@ -1,6 +1,7 @@
 export * from './asyncForEach'
 export * from './compareTimestamps'
 export * from './convertToCsv'
+export * from './isNode'
 export * from './isRelativePath'
 export * from './isUri'
 export * from './isUrl'